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This chapter talks about various topics relevant to adapting the
behavior of Emacs in minor ways. See The Emacs Lisp Reference
Manual for how to make more far-reaching changes.
All kinds of customization affect only the particular Emacs session
that you do them in. They are completely lost when you kill the Emacs
session, and have no effect on other Emacs sessions you may run at the
same time or later. The only way an Emacs session can affect anything
outside of it is by writing a file; in particular, the only way to make
a customization `permanent' is to put something in your `.emacs'
file or other appropriate file to do the customization in each session.
See section The Init File, `~/.emacs'.
- Minor Modes: Each minor mode is one feature you can turn on
independently of any others.
- Variables: Many Emacs commands examine Emacs variables
to decide what to do; by setting variables,
you can control their functioning.
- Keyboard Macros: A keyboard macro records a sequence of
keystrokes to be replayed with a single
command.
- Key Bindings: The keymaps say what command each key runs.
By changing them, you can "redefine keys".
- Keyboard Translations: If your keyboard passes an undesired code
for a key, you can tell Emacs to
substitute another code.
- Syntax: The syntax table controls how words and
expressions are parsed.
- Init File: How to write common customizations in the
`.emacs' file.
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